Sample code: IPC Transport object for GPU

content/common/gpu/media/gpu_jpeg_decode_accelerator.cc

Index: content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
diff --git a/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc b/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
index 7408e46d9272e9ca2b726903b19913f8c595a327..25a0b29dc345adc584f2f22df0957f7904d9c141 100644
--- a/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
+++ b/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
@@ -17,6 +17,7 @@
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
+#include "content/common/gpu/jpeg_decode_params.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/message_filter.h"
 #include "media/filters/jpeg_parser.h"
@@ -40,7 +41,7 @@ void DecodeFinished(scoped_ptr<base::SharedMemory> shm) {
   // decode finishes.
 }
 
-bool VerifyDecodeParams(const AcceleratedJpegDecoderMsg_Decode_Params& params) {
+bool VerifyDecodeParams(const content::JpegDecodeParams& params) {
   if (params.input_buffer_id < 0) {
     LOG(ERROR) << "BitstreamBuffer id " << params.input_buffer_id
                << " out of range";
@@ -199,9 +200,8 @@ class GpuJpegDecodeAccelerator::MessageFilter : public IPC::MessageFilter {
         route_id, buffer_id, error));
   }
 
-  void OnDecodeOnIOThread(
-      const int32_t* route_id,
-      const AcceleratedJpegDecoderMsg_Decode_Params& params) {
+  void OnDecodeOnIOThread(const int32_t* route_id,
+                          const JpegDecodeParams& params) {
     DCHECK(io_task_runner_->BelongsToCurrentThread());
     DCHECK(route_id);
     TRACE_EVENT0("jpeg", "GpuJpegDecodeAccelerator::MessageFilter::OnDecode");